package com.test.utilities;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.List;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONException;
import org.json.JSONObject;

import android.util.Log;

public class JSONParser
{
	static InputStream is = null;
	static JSONObject jObj = null;
	static String json = "";
	
	public JSONParser()
	{
	}
	
	public JSONObject getJSONFromUrl(String url, List<NameValuePair> params)
	{
		try
		{
			DefaultHttpClient httpClient = new DefaultHttpClient();
			HttpPost httpPost = new HttpPost(url);
//			httpPost.setHeader("User-Agent", "Android Mobile FollowMe Agent");
			httpPost.setEntity(new UrlEncodedFormEntity(params));
			
			HttpResponse httpResponse = httpClient.execute(httpPost);
			HttpEntity httpEntity = httpResponse.getEntity();
			is = httpEntity.getContent();
			
			Log.i("JSONParser", "is :" + is.toString());
			
		}
		catch (UnsupportedEncodingException e)
		{
			Log.i("Unsupported", e.toString());
		}
		catch (ClientProtocolException e)
		{
			Log.i("ClientProtocol", e.toString());
		}
		catch (IOException e)
		{
			Log.i("IOException", e.toString());
		}
		
		try
		{
			BufferedReader reader = new BufferedReader(new InputStreamReader(is, "iso-8859-1"), 8);
			StringBuilder sb = new StringBuilder();
			String line = null;
			while ((line = reader.readLine()) != null)
			{
				Log.i("line", line + "\n");
				sb.append(line + "\n");
			}
			is.close();
			json = sb.toString();
			Log.i("JSON", json);
		}
		catch (Exception e)
		{
			Log.i("Buffer Error", "Error converting result " + e.toString());
		}
		
		try
		{
			jObj = new JSONObject(json);
		}
		catch (JSONException e)
		{
			Log.i("JSON Parser", "Error parsing data " + e.toString());
		}
		
		return jObj;
	}
}
